TOKY Relay RHA-80A400/e34

08/27/2020

How to maintain your oil-free screw compressor

Like all electromechanical equipment, oil-free screw compressors require regular maintenance to operate at maximum efficiency and minimize unplanned downtime. Improper maintenance can cause problems such as reduced compression efficiency, air leakage, and pressure changes.

11/10/2022

3 Common Expansion Valve Failures and the Solutions

The most common failures in the use of expansion valves are valve blockage, frosting, ice blockage and oil blockage.

06/29/2020

Compression ratio of American Copeland compressor

06/10/2024

Hydraulic System Components, Working Principle, Pros＆Cons, Application, with Diagrams

Hydraulic systems are widely used. Why do we use them? What is the working principle of them?

04/22/2025

The difference between chilled water, cooling water and condensed water and the principle of refrigeration

The central air-conditioning host is composed of a compressor, an evaporator, a condenser, and a throttle valve. The compressor provides energy. The condenser reduces the temperature of the refrigerant from the compressor.

09/05/2020

Common sense of micro vacuum pump

The so-called vacuum refers to a gas state with a pressure lower than 101325Pa in a given space. In the vacuum state, the lean degree of gas is usually expressed by the pressure value of the gas. Obviously, the smaller the pressure value, the thinner the gas. There are various vacuum pumps in the industry. There are prescribed test methods for the performance of various pumps. The main parameters are:

08/13/2020

What are the thermal state parameters of the refrigerant

In the refrigeration cycle, the working fluid continuously changes its thermal state. The physical quantity describing the thermal state of the working fluid is called the thermal state parameter of the working fluid

10/09/2023

How to Clean Countertop Ice Maker: A Comprehensive Guide

Countertop ice makers are a convenient and efficient way to produce ice at home or in the office. However, like any other appliance that handles food or beverages, it is important to clean your countertop ice maker regularly to prevent the buildup of bacteria, mold, and other harmful substances.

05/01/2022

How to Judge The Model of AC Contactor?

Contactor is the most basic and common electrical component in relay control system. It is mainly used to connect and disconnect lines, or frequently control the operation of motors and other equipment.

08/09/2020

How to recycle Freon when the air conditioner is moved What should I pay attention to when moving the air conditioner

The price of buying an air conditioner is not low, so many people will definitely remove the air conditioner when moving. When moving the air conditioner, it is necessary to recycle the Freon.